@Override
public void removeTunnel(final Requests request, final PccSession session) {
final PlspId plspId = request.getLsp().getPlspId();
final Tunnel tunnel = this.tunnels.get(plspId);
final long srpId = request.getSrp().getOperationId().getValue();
if (tunnel != null) {
if (tunnel.getType() == LspType.PCE_LSP) {
if (hasDelegation(tunnel, session)) {
this.tunnels.remove(plspId);
sendToAll(
tunnel,
plspId,
tunnel.getLspState().getEro().getSubobject(),
new SrpBuilder(request.getSrp())
.addAugmentation(Srp1.class, new Srp1Builder().setRemove(true).build())
.build(),
reqToRptPath(request),
request.getLsp());
} else {
session.sendError(
MsgBuilderUtil.createErrorMsg(PCEPErrors.UPDATE_REQ_FOR_NON_LSP, srpId));
}
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.LSP_NOT_PCE_INITIATED, srpId));
}
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId));
}
}
@Override
public void returnDelegation(final Updates update, final PccSession session) {
final PlspId plspId = update.getLsp().getPlspId();
final Tunnel tunnel = this.tunnels.get(plspId);
final long srpId = update.getSrp().getOperationId().getValue();
if (tunnel != null) {
// check if session really has a delegation
if (hasDelegation(tunnel, session)) {
// send report D=0
final Tlvs tlvs =
createLspTlvs(
plspId.getValue(),
true,
getDestinationAddress(tunnel.getLspState().getEro().getSubobject(), this.address),
this.address,
this.address,
Optional.of(tunnel.getPathName()));
session.sendReport(
createPcRtpMessage(
new LspBuilder(update.getLsp())
.setSync(true)
.setOperational(OperationalStatus.Up)
.setDelegate(false)
.setTlvs(tlvs)
.build(),
Optional.of(createSrp(srpId)),
tunnel.getLspState()));
// start state timer
startStateTimeout(tunnel, plspId);
// if PCC's LSP, start re-delegation timer
if (tunnel.getType() == LspType.PCC_LSP) {
startRedelegationTimer(tunnel, plspId, session);
} else {
// if PCE-initiated LSP, revoke delegation instantly
setDelegation(plspId, null);
}
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UPDATE_REQ_FOR_NON_LSP, srpId));
}
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId));
}
}
@Override
public void reportToAll(final Updates update, final PccSession session) {
final PlspId plspId = update.getLsp().getPlspId();
final Tunnel tunnel = this.tunnels.get(plspId);
final long srpId = update.getSrp().getOperationId().getValue();
if (tunnel != null) {
if (hasDelegation(tunnel, session)) {
final Srp srp = createSrp(update.getSrp().getOperationId().getValue());
final Path path = updToRptPath(update.getPath());
final List<Subobject> subobjects = update.getPath().getEro().getSubobject();
final Lsp lsp = update.getLsp();
sendToAll(tunnel, plspId, subobjects, srp, path, lsp);
// update tunnel state
tunnel.setLspState(path);
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UPDATE_REQ_FOR_NON_LSP, srpId));
}
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId));
}
}
@Override
public void takeDelegation(final Requests request, final PccSession session) {
final PlspId plspId = request.getLsp().getPlspId();
final Tunnel tunnel = this.tunnels.get(plspId);
final long srpId = request.getSrp().getOperationId().getValue();
if (tunnel != null) {
// check if tunnel has no delegation
if (tunnel.type == LspType.PCE_LSP
&& (tunnel.getDelegationHolder() == -1
|| tunnel.getDelegationHolder() == session.getId())) {
// set delegation
tunnel.cancelTimeouts();
setDelegation(plspId, session);
// send report
final Tlvs tlvs =
createLspTlvs(
plspId.getValue(),
true,
getDestinationAddress(tunnel.getLspState().getEro().getSubobject(), this.address),
this.address,
this.address,
Optional.of(tunnel.getPathName()));
session.sendReport(
createPcRtpMessage(
new LspBuilder(request.getLsp())
.setSync(true)
.setOperational(OperationalStatus.Up)
.setDelegate(true)
.setTlvs(tlvs)
.build(),
Optional.of(createSrp(srpId)),
tunnel.getLspState()));
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.LSP_NOT_PCE_INITIATED, srpId));
}
} else {
session.sendError(MsgBuilderUtil.createErrorMsg(PCEPErrors.UNKNOWN_PLSP_ID, srpId));
}
}